APA aipamena

International Planned Parenthood Federation., United Nations Population Fund., & International Union for Conservation of Nature and Natural Resources. People & the planet. London, UK: IPPF.

Chicago Style aipamena

International Planned Parenthood Federation., United Nations Population Fund, y International Union for Conservation of Nature and Natural Resources. People & the Planet. London, UK: IPPF.

MLA aipamena

International Planned Parenthood Federation., United Nations Population Fund, y International Union for Conservation of Nature and Natural Resources. People & the Planet. London, UK: IPPF.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.